CN205299441U - High -efficient heat dissipation LED floodlight - Google Patents
High -efficient heat dissipation LED floodlight Download PDFInfo
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- CN205299441U CN205299441U CN201620052563.XU CN201620052563U CN205299441U CN 205299441 U CN205299441 U CN 205299441U CN 201620052563 U CN201620052563 U CN 201620052563U CN 205299441 U CN205299441 U CN 205299441U
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- Prior art keywords
- radiator
- led lamp
- heat pipe
- heat
- heat radiating
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Abstract
The utility model discloses a high -efficient heat dissipation LED floodlight, which comprises a housin, be provided with the LED lamp in the casing, still be provided with the radiator in the casing, LED lamp and radiator laminating, be provided with in the radiator and hold the chamber, it has phase transition liquid to hold the intracavity packing, the radiator holds the intracavity both ends and is provided with the heat pipe. When when the slope is used, phase transition liquid can leave the position of the radiator of laminating LED lamp, in LED lamp use this moment, the LED lamp emitting heat that looses, owing to set up the heat pipe on the radiator, the heat pipe has played the effect of indirect heat transfer, through the heat pipe with the heat transfer of LED lamp to the phase transition liquid in, thereby make phase transition liquid take place the phase transition, even it also to play a better radiating effect just so to make in the slope use, improve holistic heat dispersion, the long -time use of LED lamp has been guaranteed.
Description
Technical field
The utility model relates to field of light fittings, and more particularly, it relates to a kind of high-efficiency heat radiating LED floodlight.
Background technology
The basic structure of LED is an electroluminescent chip of semiconductor material; with elargol or latex solidified to support; then connect chip and circuit board with silver-colored line or gold thread; then surrounding epoxy sealing; play the effect of protection internal core; last mounting casing, so the anti-seismic performance of LED lamp is good. Utilization field relates to daily household electrical appliances and the machinery production aspects such as mobile phone, desk lamp, household electrical appliances.
In use, LED also can produce heat, and the mode of often conducting heat by machinery in prior art is dispelled the heat to LED, but the mode heat transfer efficiency of machinery heat radiation is low, and heat transfer efficiency having relatively high expectations to material.
In prior art, notification number is the disclosed a kind of excessive heat heat loss through conduction device of CN105180694A and production method and application, the radiator body of this excessive heat heat loss through conduction device has at least one heat-absorbent surface and at least one radiating surface, in radiator body, be provided with an annular seal space, this radiator body can adopt moment high temperature thermofussion welding technology one-body molded, after heat-conducting medium being injected in the annular seal space of radiator body, utilize degassing method in the annular seal space of radiator body, to form negative pressure. This excessive heat heat loss through conduction device is being done the used time, liquid heat-conducting medium in the annular seal space of its vacuum gasifies after heated and flows to radiating surface on evaporating surface, and discharge heat energy in the condensation of radiating surface end, liquid flows back to evaporating surface again, so circulation, forms a heat conductor that thermal sensitivity is high, has manufacture craft simple, and volume is little, lightweight, thermal resistance is little, thermal conductivity factor is high, with low cost, save the advantage such as spillage of material, be applicable to make LED radiator or high density integrated circuit plate radiator.
But in the use procedure of LED floodlight, whole lamp body tends to tilt to use, at this time, liquid heat-conducting medium in use can contact with the housing that posts LED place, thereby does not just have the effect that forms circulation, thereby does not reach desirable radiating effect.
Utility model content
The deficiency existing for prior art, the object of this real utility model is to provide a kind of better heat dissipation effect that tilts to use also can to play.
For achieving the above object, the utility model provides following technical scheme:
A kind of high-efficiency heat radiating LED floodlight, comprise housing, in described housing, be provided with LED lamp, in described housing, be also provided with radiator, described LED lamp and radiator laminating, in described radiator, be provided with container cavity, in described container cavity, be filled with phase-transition liquid, in described radiator container cavity, two ends are provided with heat pipe.
Pass through technique scheme: in use, after LED lamp is luminous, can produce heat, because LED lamp and radiator fit, thereby the heat that LED lamp comes out can be delivered on radiator, simultaneously, because radiator is wherein provided with container cavity, in container cavity, fill oily phase-transition liquid, due in container cavity in vacuum state, the gasification temperature of inner phase-transition liquid is reduced, thereby the heat coming out at LED lamp is delivered to after phase-transition liquid, can make phase-transition liquid gasification, the phase-transition liquid of gasification is encountered the other end of the relative phase-transition liquid of radiator afterwards, because other one end belongs to cold junction, so just can make phase-transition liquid gas after cold junction, again be transformed into liquid phase-transition liquid encountering, thereby be back in the phase-transition liquid of radiator bottom, so just play a convection current reflux course, can fully heat be delivered to the external world. improve heat transfer efficiency.
When in the time tilting to use, phase-transition liquid can leave the position of the radiator of laminating LED lamp, now in the use procedure of LED lamp, LED lamp gives out heat, owing to being provided with heat pipe on radiator, heat pipe has played the effect of indirect heat transfer, by heat pipe, the heat of LED lamp is delivered in phase-transition liquid, thereby phase-transition liquid is undergone phase transition, even if so just make also can play a good radiating effect in inclination use procedure, improve overall heat dispersion, ensured the long-time use of LED lamp.
The utility model is further set to: described heat pipe material is copper.
Pass through technique scheme: copper is common material, its heat transfer capacity of heat transmission is stronger, can conveniently obtain, and also easily processes, and is applicable to the needs of whole system of the present utility model.
The utility model is further set to: described heat pipe surface is provided with graphene powder.
Pass through technique scheme: Graphene is highly heat-conductive material, graphene powder is set on heat pipe surface can be improved LED heat that lamp comes out in the middle of the inclination use procedure and go in being delivered to phase-transition liquid more expeditiously, improve heat transfer efficiency, thereby further strengthened backflow and the convection current of phase-transition liquid.
The utility model is further set to: described graphene powder is bonded in heat pipe surface. Described heat pipe surface is bonded with the sticking thermal paper of tool, and the another side of the relative heat pipe of described thermal paper is bonded with graphene powder.
Pass through technique scheme: Graphene is arranged on heat pipe surface by the mode adhering to, because Graphene itself is difficult to sizing, if directly use Graphene pipeline cost higher, Graphene pipeline is the more crisp installation and transportation that are difficult for also. And stick to heat pipe surface, and give Graphene a fixing shape by heat pipe, exist and container cavity inside. , also can better contact with heat pipe meanwhile, realize heat-transfer effect. Particularly graphene powder is first sticked on thermal paper, fit on heat pipe afterwards by thermal paper, this mode is easy for installation, simple in structure on the one hand, also can ensure normal use when having reduced processing cost. On the other hand, also reduced the processing cost of Graphene.
The utility model is further set to: described radiator comprises coaming plate and is arranged on the base plate of two opening parts of coaming plate, described LED lamp and a wherein base plate laminating.
Pass through technique scheme: by the setting of base plate and coaming plate, make the easier for installation of whole radiator, structure is simpler, meanwhile, base plate is plane, makes the easier for installation and stable of LED lamp.
This real utility model is further set to: on another piece base plate of relative LED etc., be provided with aspirating hole, on described aspirating hole, be socketed with air exhaust nozzle, described air exhaust nozzle outer wall is provided with screw thread, on the outer wall of described air exhaust nozzle, be provided with through hole, in described air exhaust nozzle, be provided with cavity, described cavity, container cavity, through hole mutual conduction.
Pass through technique scheme, in the time that needs vacuumize in to container cavity, first a part for air exhaust nozzle is screwed in aspirating hole, through hole is leaked outside container cavity, by through hole is bled, make to keep in container cavity vacuum state, air exhaust nozzle is continued to be screwed into reaching after pressure afterwards, afterwards through hole is screwed in container cavity, has so just formed an effect that reaches sealing.
This real utility model is further set to: between described air exhaust nozzle and aspirating hole, be provided with sealant.
Pass through technique scheme: ensured the sealing effectiveness between air exhaust nozzle and aspirating hole by arranging of sealant, prevented gas leakage.
This real utility model is further set to: described phase-transition liquid accounts for 15 ~ 40% of whole container cavity.
Pass through technique scheme: in whole container cavity, reach at phase-transition liquid at 15 ~ 40 o'clock and can play better convection current backflow effect. If phase transformation liquid measure is very little, can cause in the heat production of LED lamp more greatly, all gasification cannot realize convection current; If phase-transition liquid is too much, person can cause because the surface vapor pressure of phase-transition liquid is excessive, thereby causes phase-transition liquid to gasify, and refluxes thereby cannot form convection current, does not have the effect of the heat radiation of conducting heat.
Brief description of the drawings
1, housing; 2, radiator; 3, container cavity; 4, base plate; 5, coaming plate; 6, LED lamp; 7, aspirating hole; 8, air exhaust nozzle; 9, through hole; 10, cavity; 11, sealant; 12, heat pipe.
Detailed description of the invention
A kind of high-efficiency heat radiating LED floodlight, comprise housing 1, in described housing 1, be provided with LED lamp 6, in described housing 1, be also provided with radiator 2, described LED lamp 6 is fitted with radiator 2, in described radiator 2, be provided with container cavity 3, in described container cavity 3, be filled with phase-transition liquid, the described radiator 2 interior two ends of container cavity 3 are provided with heat pipe 12.
In use, after LED lamp 6 is luminous, can produce heat, because LED lamp 6 and radiator 2 fit, thereby the heat that LED lamp 6 comes out can be delivered on radiator 2, simultaneously, because radiator 2 is wherein provided with container cavity 3, the oily phase-transition liquid of the interior filling of container cavity 3, because container cavity 3 is interior in vacuum state, the gasification temperature of inner phase-transition liquid is reduced, thereby the heat coming out at LED lamp 6 is delivered to after phase-transition liquid, can make phase-transition liquid gasification, the phase-transition liquid of gasification is encountered the other end of radiator 2 relative phase-transition liquids afterwards, because other one end belongs to cold junction, so just can make phase-transition liquid gas after cold junction, again be transformed into liquid phase-transition liquid encountering, thereby be back in the phase-transition liquid of radiator 2 bottoms, so just play a convection current reflux course, can fully heat be delivered to the external world. improve heat transfer efficiency.
When in the time tilting to use, phase-transition liquid can leave the position of the radiator 2 of laminating LED lamp 6, in now LED lamp 6 use procedures, LED lamp 6 gives out heat, owing to being provided with heat pipe 12 on radiator 2, heat pipe 12 has played the effect of indirect heat transfer, by heat pipe 12, the heat of LED lamp 6 is delivered in phase-transition liquid, thereby phase-transition liquid is undergone phase transition, even if so just make also can play a good radiating effect in inclination use procedure, improve overall heat dispersion, ensured the long-time use of LED lamp 6.
Described heat pipe 12 materials are copper.
Copper is common material, and its heat transfer capacity of heat transmission is stronger, can conveniently obtain, and also easily processes, and is applicable to the needs of whole system of the present utility model.
Described heat pipe 12 surfaces are provided with graphene powder.
Graphene is highly heat-conductive material, graphene powder is set on heat pipe 12 surfaces can be improved LED lamp 6 heats that come out in the middle of the inclination use procedure and go in being delivered to phase-transition liquid more expeditiously, improve heat transfer efficiency, thereby further strengthened backflow and the convection current of phase-transition liquid.
Described graphene powder is bonded in heat pipe 12 surfaces. Described heat pipe 12 surfaces are bonded with the sticking thermal paper of tool, and the another side of the relative heat pipe 12 of described thermal paper is bonded with graphene powder.
Graphene is arranged on heat pipe 12 surfaces by the mode adhering to, and because Graphene itself is difficult to sizing, if directly use Graphene pipeline cost higher, Graphene pipeline is the more crisp installation and transportation that are difficult for also. And stick to heat pipe 12 surfaces, and give Graphene a fixing shape by heat pipe 12, exist and container cavity 3 inside. , also can better contact with heat pipe 12 meanwhile, realize heat-transfer effect. Particularly graphene powder is first sticked on thermal paper, fit on heat pipe 12 afterwards by thermal paper, this mode is easy for installation, simple in structure on the one hand, also can ensure normal use when having reduced processing cost. On the other hand, also reduced the processing cost of Graphene.
Described radiator 2 comprises coaming plate 5 and is arranged on the base plate 4 of 5 two opening parts of coaming plate, and described LED lamp 6 is fitted with a base plate 4 wherein.
By the setting of base plate 4 and coaming plate 5, make the easier for installation of whole radiator 2, structure is simpler, and meanwhile, base plate 4 is plane, makes the easier for installation and stable of LED lamp 6.
On another piece base plate 4 of relative LED etc., be provided with aspirating hole 7, on described aspirating hole 7, be socketed with air exhaust nozzle 8, described air exhaust nozzle 8 outer walls are provided with screw thread, on the outer wall of described air exhaust nozzle 8, be provided with through hole 9, in described air exhaust nozzle 8, be provided with cavity 10, described cavity 10, container cavity 3, through hole 9 mutual conduction.
In the time that needs vacuumize in to container cavity 3, first a part for air exhaust nozzle 8 is screwed in aspirating hole 7, through hole 9 is leaked outside container cavity 3, by through hole 9 is bled, make the interior maintenance vacuum state of container cavity 3, air exhaust nozzle 8 is continued to be screwed into reaching after pressure afterwards, afterwards through hole 9 is screwed in container cavity 3, so just formed an effect that has reached sealing.
Between described air exhaust nozzle 8 and aspirating hole 7, be provided with sealant 11.
Ensure the sealing effectiveness between air exhaust nozzle 8 and aspirating hole 7 by arranging of sealant 11, prevented gas leakage.
Described phase-transition liquid accounts for 15 ~ 40% of whole container cavity 3.
In whole container cavity 3, reach at 15 ~ 40 o'clock at phase-transition liquid and can play better convection current backflow effect. If phase transformation liquid measure is very little, can cause in 6 heat production of LED lamp more greatly, all gasification cannot realize convection current; If phase-transition liquid is too much, person can cause because the surface vapor pressure of phase-transition liquid is excessive, thereby causes phase-transition liquid to gasify, and refluxes thereby cannot form convection current, does not have the effect of the heat radiation of conducting heat.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model. It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a high-efficiency heat radiating LED floodlight, comprise housing, in described housing, be provided with LED lamp, it is characterized in that: in described housing, be also provided with radiator, described LED lamp and radiator laminating, in described radiator, be provided with container cavity, in described container cavity, be filled with phase-transition liquid, in described radiator container cavity, two ends are provided with heat pipe.
2. a kind of high-efficiency heat radiating LED floodlight according to claim 1, is characterized in that: described heat pipe material is copper.
3. a kind of high-efficiency heat radiating LED floodlight according to claim 1 and 2, is characterized in that: described heat pipe surface is provided with graphene powder.
4. a kind of high-efficiency heat radiating LED floodlight according to claim 3, is characterized in that: described graphene powder is bonded in heat pipe surface.
5. a kind of high-efficiency heat radiating LED floodlight according to claim 3, is characterized in that: described heat pipe surface is bonded with the sticking thermal paper of tool, the another side of the relative heat pipe of described thermal paper is bonded with graphene powder.
6. a kind of high-efficiency heat radiating LED floodlight according to claim 1, is characterized in that: described radiator comprises coaming plate and is arranged on the base plate of two opening parts of coaming plate, described LED lamp and a wherein base plate laminating.
7. a kind of high-efficiency heat radiating LED floodlight according to claim 6, is characterized in that: the two ends of described heat pipe are fixedly connected with base plate respectively.
8. a kind of high-efficiency heat radiating LED floodlight according to claim 6, it is characterized in that: relatively on another piece base plate of LED lamp, be provided with aspirating hole, on described aspirating hole, be socketed with air exhaust nozzle, described air exhaust nozzle outer wall is provided with screw thread, on the outer wall of described air exhaust nozzle, be provided with through hole, in described air exhaust nozzle, be provided with cavity, described cavity, container cavity, through hole mutual conduction.
9. a kind of high-efficiency heat radiating LED floodlight according to claim 8, is characterized in that: between described air exhaust nozzle and aspirating hole, be provided with sealant.
10. a kind of high-efficiency heat radiating LED floodlight according to claim 1, is characterized in that: described phase-transition liquid accounts for 15 ~ 40% of whole container cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052563.XU CN205299441U (en) | 2016-01-20 | 2016-01-20 | High -efficient heat dissipation LED floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052563.XU CN205299441U (en) | 2016-01-20 | 2016-01-20 | High -efficient heat dissipation LED floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205299441U true CN205299441U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620052563.XU Expired - Fee Related CN205299441U (en) | 2016-01-20 | 2016-01-20 | High -efficient heat dissipation LED floodlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205299441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509013A (en) * | 2016-01-20 | 2016-04-20 | 浩雄电气有限公司 | Efficient cooling LED floodlight |
-
2016
- 2016-01-20 CN CN201620052563.XU patent/CN205299441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509013A (en) * | 2016-01-20 | 2016-04-20 | 浩雄电气有限公司 | Efficient cooling LED floodlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20190120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |